At 12:37 p.m. on Saturday, the NWS Phoenix AZ issued an extreme heat warning valid from Wednesday 10 a.m. until Friday 8 p.m.

A high-pressure system is expected to remain over Arizona for several days, leading to extreme and potentially ...

An extreme heat warning and an extreme heat watch were issued by the National Weather Service in Jacksonville for July 28 and ...

The Florida heatwave continues as a massive so-called "heat dome" brings dangerously hot temperatures to Orlando and Central ...

Heat cramps are painful muscle cramps and spasms, usually in the legs and abdomen. They may also be a symptom of heat ...

Summer weather can be fun for a little bit, but a lot of us are seeing serious and extended heat advisories lately. When the temperature and humidity are high enough, hot weather can be genuinely ...

The National Weather Service is using new heat alert terminology beginning this summer to improve public awareness and ...

An Extreme Heat Warning has been issued for much of Central Florida, where temperatures are expected to reach dangerous ...